CYLINDER HEAD REPAIR

PROCEDURE


  1. REPAIR INTAKE VALVE


    1. Repair the intake valve seat.

      Note

      Releasing the seat-cutter pressure gradually helps to the make valve seat face smoother.

    2. A005LUJE01
      *1 1.0 to 1.4 mm (0.04 to 0.06 in.)

      If the seating is too high on the valve face, use 20° and 45° cutters to correct it.

    3. If the seating is too low on the valve face, use 60° and 45° cutters to correct it.

    4. Hand-lap the valve and valve seat with an abrasive compound.

    5. Recheck the valve seating position.

  2. REPAIR EXHAUST VALVE


    1. Repair the exhaust valve seat.

      Note

      Releasing the seat-cutter pressure gradually helps to make the valve seat face smoother.

    2. A005HNWE01
      *1 1.0 to 1.4 mm (0.04 to 0.06 in.)

      If the seating is too high on the valve face, use 20° and 45° cutters to correct it.

    3. If the seating is too low on the valve face, use 75° and 45° cutters to correct it.

    4. Hand-lap the valve and valve seat with an abrasive compound.

    5. Recheck the valve seating position.